+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-01 18:57:21.348 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-01 18:57:21.565 1 INFO cinder.rpc [None req-0b84a08a-ae31-43d0-8999-973424babd52 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-01 18:57:21.567 1 INFO cinder.rpc [None req-0b84a08a-ae31-43d0-8999-973424babd52 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-01 18:57:21.570 1 INFO cinder.rpc [None req-0b84a08a-ae31-43d0-8999-973424babd52 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-01 18:57:21.574 1 INFO cinder.rpc [None req-0b84a08a-ae31-43d0-8999-973424babd52 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-01 18:57:21.577 1 INFO cinder.rpc [None req-0b84a08a-ae31-43d0-8999-973424babd52 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-01 18:57:21.580 1 INFO cinder.rpc [None req-0b84a08a-ae31-43d0-8999-973424babd52 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-01 18:57:21.628 1 WARNING oslo_config.cfg [None req-0b84a08a-ae31-43d0-8999-973424babd52 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated for removal (The auth_uri option is deprecated in favor of www_authenticate_uri and will be removed in the S  release.).  Its value may be silently ignored in the future.
2026-09-01 18:57:21.629 1 WARNING oslo_config.cfg [None req-0b84a08a-ae31-43d0-8999-973424babd52 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-01 18:57:21.638 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-01 18:57:21.659 1 INFO cinder.backup.manager [None req-70ec8d84-8d7f-4c14-a3b8-01bacaab1c98 - - - - - -] Cleaning up incomplete backup operations.
2026-09-01 18:57:21.844 1 INFO cinder.keymgr.migration [None req-c3240d20-dbb7-4d62-885f-d8760f809c0f - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.